(Percussion). Versatile drummer Pat Petrillo delivers a concise historical perspective on R&B and funk drumming. Each chapter in the book covers an important substyle of R&B, for which Pat provides instantly usable and clearly explained grooves. The text describes the history of each groove, including recommended listening. Play-along tracks are also included. | The Roots Of Groove: R&b/soul & Contemporary Funk Styles For The Drums by Pat Petrillo, Book & Toy | Indigo Chapters